Dell DHJC8 Service Manual page 4

Installing heat sink...................................................................................................................................................... 27
Processor.......................................................................................................................................................................... 28
Removing processor.................................................................................................................................................. 28
Installing processor.................................................................................................................................................... 29
WLAN card....................................................................................................................................................................... 30
Removing the WLAN card........................................................................................................................................30
Installing the WLAN card........................................................................................................................................... 31
M.2 PCIe SSD...................................................................................................................................................................32
Removing the M.2 PCIe SSD .................................................................................................................................. 32
Installing the M.2 PCIe SSD .....................................................................................................................................33
Optional module............................................................................................................................................................... 34
Removing optional module........................................................................................................................................34
Installing optional module.......................................................................................................................................... 36
Coin-cell battery............................................................................................................................................................... 37
Removing coin cell battery........................................................................................................................................37
Installing coin cell battery.......................................................................................................................................... 38
System board....................................................................................................................................................................39
Removing system board............................................................................................................................................39
Installing system board.............................................................................................................................................. 42
4 Troubleshooting........................................................................................................................................... 46
Enhanced Pre-Boot System Assessment - ePSA diagnostics................................................................................ 46
Running the ePSA Diagnostics.................................................................................................................................46
Diagnostics....................................................................................................................................................................... 46
Diagnostic error messages..............................................................................................................................................48
System error messages....................................................................................................................................................51
5 Getting help.................................................................................................................................................53
Contacting Dell.................................................................................................................................................................53
4 Contents